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IBM C4090-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Installation and Configuration | - Initial setup
|
| Topic 2: DS8000 Architecture and Concepts | - Storage system fundamentals
|
| Topic 3: Copy Services and Data Replication | - Replication technologies
|
| Topic 4: Problem Determination and Maintenance | - Maintenance procedures
|
| Topic 5: Administration and Monitoring | - System management
|
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
1. Which tool can a customer use without assistance to determine whether a mixture of different disk types, in conjunction with Easy Tier, could improve performance on a DS8000?
A) Capacity Magic
B) Pre-Sales Advisor
C) Disk Magic
D) Storage Tier Advisor
2. A customer has recently decommissioned their DS8700 wants to use the same data center floor space for a new D38 870.
What is an important fact for the technical specialist to discuss with the customer as it relates to data center requirements?
A) The DS8870 uses more power than the DS8700 so more power cords will need to be ordered.
B) Air circulation in the DS8870 has changed and flows back to front so cooling vent locations will need to be adjusted.
C) The DS8870 uses a different power connector than the D68700 so new cords will need to be supplied.
D) The rack dimensions on the DS8870 are larger than the D38700 so more floor space will be needed.
3. What factor in the architecture of the DSS000 allows for concurrent microcode updates to be performed?
A) Control-unit Initiated Reconfiguration support
B) Subsystem Device Drivers
C) Call Home and Dial-in support
D) Built-in redundancy
4. A potential D6881J0 customer asks the technical specialist if the D38800 systems provide a point in time copy solution where the FlashCopy volume can logically be pre-configured but no disk space is allocated as long as there are no updated tracks written.
Which D38800 FlashCopy method supports this customer's requirement?
A) incrementalFlashCopy
B) dataset FlashCopy
C) FlashCopy with N000PY option
D) space efficient FlashCopy
5. Which of the following items would suggest that the use of space efficient FlashCopy for the Global Mirror secondary volume could present an issue?
A) There is a long distance between the primary and secondary sites
B) The workload has a large amount of heavy sequential write activity
C) There are multiple primary disk subsystems in the Global Mirror session
D) The customer is using Tivoli Storage Productivity Center for Replication to manage Global Mirror
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: B |
